MARA insider sale notice: 27,505 shares to be sold on NASDAQ

Rhea-AI Filing Summary

Form 144 notice for MARA (MARA) reports a proposed sale of 27,505 common shares via Fidelity Brokerage with an aggregate market value of $449,706.75, slated for 09/16/2025 on NASDAQ. The shares were acquired on 11/16/2023 through restricted stock vesting and were paid as compensation. The filer discloses three prior sales by The Thiel Living Trust in the past three months: 27,505 shares on 06/16/2025 for $420,826.50, 27,505 shares on 07/16/2025 for $536,897.60, and 27,505 shares on 08/18/2025 for $420,276.40. The notice affirms the signer does not possess undisclosed material adverse information.

Insights

Securities Analyst

TL;DR: Insider-originated sale plan disclosed; amounts small relative to outstanding shares but show repeated recent dispositions.

The filing documents a proposed sale of 27,505 common shares valued at $449,706.75 and confirms acquisition by restricted stock vesting on 11/16/2023 as compensation. Recent consecutive monthly sales of identical share amounts by The Thiel Living Trust are disclosed with gross proceeds ranging from $420k to $537k, indicating ongoing disposals. Given the issuer's stated outstanding share count of 370,457,880, the single proposed sale is immaterial in isolation, though the pattern of repeated sales may be of interest to investors monitoring insider liquidity. The filing is procedural and complies with Rule 144 disclosure requirements.

Corporate Governance Specialist

TL;DR: The notice reflects routine compliance with insider selling rules and provides provenance for securities sold.

The document identifies the nature of acquisition as restricted stock vesting and payment as compensation, which clarifies that the shares originated from a compensation arrangement rather than open-market purchase or gift. The recurring sales by an affiliated trust are fully disclosed with dates and gross proceeds, supporting transparency. There is no disclosure of any material non-public information and no indication of a Rule 10b5-1 plan date, so the filing is a standard Rule 144 notice rather than evidence of a pre-established trading plan.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	27505	449706.75	370457880	09/16/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	11/16/2023	Restricted Stock Vesting	Issuer			27505	11/16/2023	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
The Thiel Living Trust 1010 South Federal Highway, Suite 2700 Hallandale Beach FL 33009	Common	06/16/2025	27505	420826.50
The Thiel Living Trust 1010 South Federal Highway, Suite 2700, Hallandale Beach FL 33009	Common	07/16/2025	27505	536897.60
The Thiel Living Trust 1010 South Federal Highway, Suite 2700 Hallandale Beach FL 33009	Common	08/18/2025	27505	420276.40

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What shares does MARA Form 144 propose to sell?

The notice proposes sale of 27,505 common shares with an aggregate market value of $449,706.75 on 09/16/2025 via NASDAQ.

How were the shares acquired for the proposed MARA sale?

The shares were acquired on 11/16/2023 through restricted stock vesting and paid as compensation.

Has the filer recently sold MARA shares?

Yes. The Thiel Living Trust sold 27,505 MARA shares on 06/16/2025, 07/16/2025, and 08/18/2025 with gross proceeds of $420,826.50, $536,897.60, and $420,276.40 respectively.

How material is the proposed sale relative to MARA's outstanding shares?

The filing lists 370,457,880 shares outstanding, so the proposed 27,505-share sale is immaterial in percentage terms.

Does the Form 144 indicate possession of undisclosed material information?

The signer represents that they do not know any undisclosed material adverse information regarding the issuer.